Consul's event endpoint is vulnerable to denial of service (CVE-2025-11375)

Summary

Consul's event endpoint is vulnerable to denial of service

Original description

The description as published by the source.

Consul and Consul Enterprise’s (“Consul”) event endpoint is vulnerable to denial of service (DoS) due to lack of maximum value on the Content Length header. This vulnerability, CVE-2025-11375, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

Affected packages

Bitnami consul

[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.22.0"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2025-11375 consul

References

advisory discuss.hashicorp.com
web nvd.nist.gov